No problem, we've got 1121 and 3867 to multiply
1121 × 3867 = 3867 × (1121)
+ 3867 × 1 which equals 3867
+ 3867 × 20 which equals 77340
+ 3867 × 100 which equals 386700
+ 3867 × 1000 which equals 3867000

= 4334907
